EMERGENCY INFORMATION FDOT Emergency Travel Alert: For information on the current situation, please visit the following page - Alerts.

Surveying & Mapping

Florida Permanent Reference Network (FPRN) TCP/IP RTN


Click here to register with FPRN to use the reference network services.


Link to Florida Permanent Reference Network (FPRN)


Station Designation
District 1 District 2 District 3 District 4 District 5 District 6 District 7
TCP/IP RTN Ports
Port Protocol Language Product
11000 TCP RTCM 3.x iMAX
11001 TCP RTCM 2.x iMAX
11002 TCP CMR+ iMAX
11003 TCP RTCM 3.x VRS
11004 TCP RTCM 2.x VRS
11005 TCP CMR+ VRS
11006 TCP RTCM 2.x FKP
11007 TCP RTCM 3.x Near
11008 TCP RTCM 2.x Near
11009 TCP CMR+ Near



Map of Florida showing Florida Department of Transportation Districts, and counties Map of FDOT District 3 and counties, Opens in a new window Map of FDOT District 2 and counties, Opens in a new window Map of FDOT District 5 and counties, Opens in a new window Map of FDOT District 1 and counties, Opens in a new window Map of FDOT District 4 and counties, Opens in a new window Map of FDOT District 6 and counties, Opens in a new window Map of FDOT District 7 and counties, Opens in a new window

Register with FPRN to use the reference network services. For frequently asked questions please visit the FPRN-FAQ site.